Gaya APA

Sujatno, A, B. (2008). Hotel Courtesy : The Secret Of 5 Star Hotel Courtesy (Ed. 2, Cet. 3). Yogyakarta: Penerbit ANDI.

Gaya MLA

Sujatno, A., Bambang. "Hotel Courtesy : The Secret Of 5 Star Hotel Courtesy". Ed. 2, Cet. 3 Yogyakarta: Penerbit ANDI, 2008. Text.